Home / 236,197,228.40-354,295,842.60-121,405,972.40

Finding the Fourth Proportional to 236,197,228.40, 354,295,842.60 and 121,405,972.40

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Solution

The fourth proportional to 236,197,228.40, 354,295,842.60 and 121,405,972.40 is: 182,108,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,197,228.40 : 354,295,842.60 = 121,405,972.40 : x
  2. Step 2: Convert to fraction form
    236,197,228.40/354,295,842.60 = 121,405,972.40/x
  3. Step 3: Cross multiply
    236,197,228.40x = 354,295,842.60 × 121,405,972.40
  4. Step 4: Simplify right side
    236,197,228.40x = 43,013,631,288,130,352
  5. Step 5: Solve for x
    x = 43,013,631,288,130,352/236,197,228.40
  6. Step 6: Final answer
    x = 182,108,958.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.